Data Models into Database Designs Which is not true about surrogate keys? They have meaning to the user. They are short. They are numeric. They are fixed. They have meaning to the user. They are short. They are numeric. They are fixed. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required, a new child row can always be inserted. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following column properties would be used to specify that cells in a column must contain a monetary value that is less than another monetary value in the same row? Data type Null status Default value Data constraints Data type Null status Default value Data constraints ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:N relationship, the foreign key is placed in: either table without specifying parent and child tables. the child table. the parent table. either the parent table or the child table. either table without specifying parent and child tables. the child table. the parent table. either the parent table or the child table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A unique, DBMS-supplied identifier used as the primary key of a relation is called a(n): composite key. surrogate key. foreign key. primary key. composite key. surrogate key. foreign key. primary key. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In a 1:1 relationship, the foreign key is placed in: the parent table. either table without specifying parent and child tables. either the parent table or the child table. the child table. the parent table. either table without specifying parent and child tables. either the parent table or the child table. the child table. ANSWER DOWNLOAD EXAMIANS APP